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<div class="header">
  <div class="headertitle"><div class="title">arange.hpp</div></div>
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<div class="contents">
<a href="arange_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;<a class="code" href="_error_8hpp.html">NumCpp/Core/Internal/Error.hpp</a>&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &quot;<a class="code" href="_static_asserts_8hpp.html">NumCpp/Core/Internal/StaticAsserts.hpp</a>&quot;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">#include &quot;<a class="code" href="_nd_array_8hpp.html">NumCpp/NdArray.hpp</a>&quot;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span> </div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacenc.html">nc</a></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>    <span class="comment">//============================================================================</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>    <span class="comment">// Method Description:</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment"></span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> dtype&gt;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">   59</a></span>    <a class="code hl_class" href="classnc_1_1_nd_array.html">NdArray&lt;dtype&gt;</a> <a class="code hl_function" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">arange</a>(dtype inStart, dtype inStop, dtype inStep = 1)</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>    {</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>        <a class="code hl_define" href="_static_asserts_8hpp.html#a36abb32368b91aed0d3133a4cfd5ae92">STATIC_ASSERT_ARITHMETIC</a>(dtype);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>        <span class="keywordflow">if</span> (inStep &gt; 0 &amp;&amp; inStop &lt; inStart)</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>        {</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>            <a class="code hl_define" href="_error_8hpp.html#af2aff1172060367b9c5398fa097fa8fd">THROW_INVALID_ARGUMENT_ERROR</a>(<span class="stringliteral">&quot;stop value must be larger than the start value for positive step.&quot;</span>);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>        }</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>        <span class="keywordflow">if</span> (inStep &lt; 0 &amp;&amp; inStop &gt; inStart)</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>        {</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span>            <a class="code hl_define" href="_error_8hpp.html#af2aff1172060367b9c5398fa097fa8fd">THROW_INVALID_ARGUMENT_ERROR</a>(<span class="stringliteral">&quot;start value must be larger than the stop value for negative step.&quot;</span>);</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>        }</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>        std::vector&lt;dtype&gt; values;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>        dtype theValue = inStart;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>        <span class="keyword">auto</span>  counter  = dtype{ 1 };</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>        <span class="keywordflow">if</span> (inStep &gt; 0)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>        {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>            <span class="keywordflow">while</span> (theValue &lt; inStop)</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>            {</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>                values.push_back(theValue);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>                theValue = inStart + inStep * counter++;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>            }</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>        }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>        <span class="keywordflow">else</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>        {</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>            <span class="keywordflow">while</span> (theValue &gt; inStop)</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>            {</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>                values.push_back(theValue);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>                theValue = inStart + inStep * counter++;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>            }</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>        }</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>        <span class="keywordflow">return</span> <a class="code hl_class" href="classnc_1_1_nd_array.html">NdArray&lt;dtype&gt;</a>(values);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>    }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>    <span class="comment">//============================================================================</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>    <span class="comment">// Method Description:</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment"></span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> dtype&gt;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"><a class="line" href="namespacenc.html#ac94fc8f9322f93966478e9ffe7db51f2">  116</a></span>    <a class="code hl_class" href="classnc_1_1_nd_array.html">NdArray&lt;dtype&gt;</a> <a class="code hl_function" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">arange</a>(dtype inStop)</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>    {</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>        <span class="keywordflow">if</span> (inStop &lt;= 0)</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>        {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>            <a class="code hl_define" href="_error_8hpp.html#af2aff1172060367b9c5398fa097fa8fd">THROW_INVALID_ARGUMENT_ERROR</a>(<span class="stringliteral">&quot;stop value must ge greater than 0.&quot;</span>);</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>        }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>        <span class="keywordflow">return</span> arange&lt;dtype&gt;(0, inStop, 1);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>    }</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>    <span class="comment">//============================================================================</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>    <span class="comment">// Method Description:</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment"></span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> dtype&gt;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"><a class="line" href="namespacenc.html#a2e9892f02e430f84f563d3608f041b34">  144</a></span>    <a class="code hl_class" href="classnc_1_1_nd_array.html">NdArray&lt;dtype&gt;</a> <a class="code hl_function" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">arange</a>(<span class="keyword">const</span> <a class="code hl_class" href="classnc_1_1_slice.html">Slice</a>&amp; inSlice)</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>    {</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>        <span class="keywordflow">return</span> arange&lt;dtype&gt;(inSlice.<a class="code hl_variable" href="classnc_1_1_slice.html#a36ddb261d9057db4a9794b4fc46e9d3f">start</a>, inSlice.<a class="code hl_variable" href="classnc_1_1_slice.html#ac2d72f4ca003ed645bc82efcafee87f5">stop</a>, inSlice.<a class="code hl_variable" href="classnc_1_1_slice.html#a112855a11aa1737b7859e3d63feb09c4">step</a>);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>    }</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>} <span class="comment">// namespace nc</span></div>
<div class="ttc" id="a_error_8hpp_html"><div class="ttname"><a href="_error_8hpp.html">Error.hpp</a></div></div>
<div class="ttc" id="a_error_8hpp_html_af2aff1172060367b9c5398fa097fa8fd"><div class="ttname"><a href="_error_8hpp.html#af2aff1172060367b9c5398fa097fa8fd">THROW_INVALID_ARGUMENT_ERROR</a></div><div class="ttdeci">#define THROW_INVALID_ARGUMENT_ERROR(msg)</div><div class="ttdef"><b>Definition:</b> Error.hpp:37</div></div>
<div class="ttc" id="a_nd_array_8hpp_html"><div class="ttname"><a href="_nd_array_8hpp.html">NdArray.hpp</a></div></div>
<div class="ttc" id="a_static_asserts_8hpp_html"><div class="ttname"><a href="_static_asserts_8hpp.html">StaticAsserts.hpp</a></div></div>
<div class="ttc" id="a_static_asserts_8hpp_html_a36abb32368b91aed0d3133a4cfd5ae92"><div class="ttname"><a href="_static_asserts_8hpp.html#a36abb32368b91aed0d3133a4cfd5ae92">STATIC_ASSERT_ARITHMETIC</a></div><div class="ttdeci">#define STATIC_ASSERT_ARITHMETIC(dtype)</div><div class="ttdef"><b>Definition:</b> StaticAsserts.hpp:39</div></div>
<div class="ttc" id="aclassnc_1_1_nd_array_html"><div class="ttname"><a href="classnc_1_1_nd_array.html">nc::NdArray</a></div><div class="ttdoc">Holds 1D and 2D arrays, the main work horse of the NumCpp library.</div><div class="ttdef"><b>Definition:</b> NdArrayCore.hpp:139</div></div>
<div class="ttc" id="aclassnc_1_1_slice_html"><div class="ttname"><a href="classnc_1_1_slice.html">nc::Slice</a></div><div class="ttdoc">A Class for slicing into NdArrays.</div><div class="ttdef"><b>Definition:</b> Slice.hpp:45</div></div>
<div class="ttc" id="aclassnc_1_1_slice_html_a112855a11aa1737b7859e3d63feb09c4"><div class="ttname"><a href="classnc_1_1_slice.html#a112855a11aa1737b7859e3d63feb09c4">nc::Slice::step</a></div><div class="ttdeci">int32 step</div><div class="ttdef"><b>Definition:</b> Slice.hpp:50</div></div>
<div class="ttc" id="aclassnc_1_1_slice_html_a36ddb261d9057db4a9794b4fc46e9d3f"><div class="ttname"><a href="classnc_1_1_slice.html#a36ddb261d9057db4a9794b4fc46e9d3f">nc::Slice::start</a></div><div class="ttdeci">int32 start</div><div class="ttdef"><b>Definition:</b> Slice.hpp:48</div></div>
<div class="ttc" id="aclassnc_1_1_slice_html_ac2d72f4ca003ed645bc82efcafee87f5"><div class="ttname"><a href="classnc_1_1_slice.html#ac2d72f4ca003ed645bc82efcafee87f5">nc::Slice::stop</a></div><div class="ttdeci">int32 stop</div><div class="ttdef"><b>Definition:</b> Slice.hpp:49</div></div>
<div class="ttc" id="anamespacenc_html"><div class="ttname"><a href="namespacenc.html">nc</a></div><div class="ttdef"><b>Definition:</b> Cartesian.hpp:40</div></div>
<div class="ttc" id="anamespacenc_html_a8e78c416b2386411d8c6b5226bd4c78a"><div class="ttname"><a href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">nc::arange</a></div><div class="ttdeci">NdArray&lt; dtype &gt; arange(dtype inStart, dtype inStop, dtype inStep=1)</div><div class="ttdef"><b>Definition:</b> arange.hpp:59</div></div>
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